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This paper presents a systematic approach to modeling and simulating an OFDM transceiver for wireless LAN using SystemC. On the one hand, it shows the problems associated with using pure untimed dataflow models, suggesting different solutions for circumventing them and adds run-time control features to modules. On the other hand, it proposes a method for modeling latency (adds timing information) with minimal overhead on the model complexity. For both the timed and the untimed dataflow models, two approaches to transferring data between modules are presented: sample-based and symbol-based, which results in four possible modeling scenarios.